- supercritical
Supercritical fluid in analytical chemistry. II. Supercritical fluid chromatography: instrumentation.
... SUPERCRITICAL FLUID IN ANALYTICAL CHEMISTRY. II. SUPERCRITICAL FLUID CHROMATOGRAPHY: INSTRUMENTATION. The first paper in this series discussed the basic theory involved in supercritical fluid ...
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Supercritical fluid gaseous and liquid states: a review of experimental results
... the supercritical divide and a supercritical mesophase have been reported for other model molecular Hamiltonians, with essentially the same ...a supercritical mesophase with linear isothermal state ...
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Effect of Temperature on Devulcanization of Waste Sidewall Rubber by Supercritical Ethanol Xiang Li,a Xiao-Qing Deng ,b and Chao Dongc
... The influence of temperature on devulcanization of waste sidewall rubber via supercritical ethanol was investigated. The effect of parameters on devulcanizing process was analyzed by a full factorial experimental ...
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Experimental and Numerical Study of the Unsteady Wake of a Supercritical Airfoil in a Compressible Flow
... Boroumand et al. (2017) studied the wake characteristics of a pitching supercritical airfoil. The research results could be summarized as: observation of hysteresis and how it is affected by frequency and ...
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Energy balance to production process of biodiesel non-catalytic using supercritical ethanol and soybean seed / Balanço energético para o processo de produção de biodiesel não catalítico utilizando álcool supercrítico e semente de soja
... An auction practiced by the "National Agency of Petroleum" had maximum selling price between $ 0.79 and 0.89, depending of the region at Brazil. Comparing the cost of biodiesel produced and the value paid by the ...
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Supercritical fluid in analytical chemistry. I. Supercritical fluid chromatography: thermodynamic definitions.
... I. SUPERCRITICAL FLUID CHROMATOGRAPHY: THERMODYNAMIC ...a supercritical fluid are intermediate to those of the gases and ...a supercritical fluid will be presented in this ...of supercritical ...
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N-ACETYLCYSTEINE MICRONIZATION BY THE SEDS TECHNIQUE USING SUPERCRITICAL CO
... of supercritical fluid tech- niques in the micronization process, compared with conventional techniques, presents many advantages, such as low solvent use, ability to work with thermo- sensitive compounds, low ...
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A MASS TRANSFER MODEL APPLIED TO THE SUPERCRITICAL EXTRACTION WITH CO
... Based on evaluation and analysis of experimental extraction data, the following conclusions can be stated. For economic reasons, the extraction of oleoresin from turmeric rhizomes (Curcuma longa, L.) should be carried ...
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Evaluation of sub-, supercritical fluids as solvents for extraction and impregnation of polyhydroxyalkanoates
... Over the past two decades, a lot of attention has been given to PHA and intensive work has been developed to produce it as a viable competitor to mineral oil-based plastics. Production processes have been optimised and ...
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Development of molecularly imprinted polymers using supercritical fluid technology
... using supercritical fluid technology as a viable and greener alternative to the synthesis and processing of these molecular recognition ...in supercritical and aqueous ...
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Supercritical CO2 Extraction of Schinus molle L with Co- Solvents: Mathematical Modeling and Antimicrobial Applications
... process. Mathematical models enable to generalize the experimental results, which can be applied to a new process conditions and to materials other than those investigated. Moreover, they are useful in the future ...
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Repositório Institucional da UFPA: Supercritical extraction of pupunha (Guilielma speciosa) oil in a fixed bed using carbon dioxide
... The increasing concerns of consumers with the use of synthetic substances in the food industry, interest in research in the field of biomaterials processing, and the restrictive policies of pollution control adopted by ...
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Development of a supercritical fluid extraction method for simultaneous determination of organophosphorus, organohalogen, organonitrogen and pyretroids pesticides in fruit and vegetables and its comparison with a conventional method by GC-ECD and GC-MS
... using Supercritical Fluid Extraction (SFE) and capillary gas chromatography with electron capture and mass spectrometry detections in the analysis of the levels of pesticide residues in fruits and ...and ...
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Valorization of Pumpkin Residue by Supercritical Extraction of Added-Value Compounds
... Solute dispersion along the extractor can be disregarded when values of are large ( ), which is the case for all experiments, however, this is an important parameter that should be taken into account, and can be avoid by ...
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Supercritical Extraction and Modeling of Citrullus Colocynthis Plant Using Carbon Dioxide
... To measure the amount of C. colocynthis oil, the dried C. colocynthis kernel became powder by an electric mill and extraction was done by supercritical method and solvent of Dichloromethane. To analyze of samples ...
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EXTRACTION OF RICE BRAN OIL USING SUPERCRITICAL CO
... the supercritical fluid flow and, mainly, to the ultrasonic waves, which damage the cell walls, leading to the release of extractable material from the inner region of the matrix to the surface (Santos et ...
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Modelling of transcritical and supercritical nitrogen jets
... to supercritical conditions injected into a chamber at supercritical conditions was ...at supercritical injection ...at supercritical conditions mainly in the determination of the potential ...
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Supercritical fluids in analytical chemistry. III.: applications.
... III. SUPERCRITICAL FLUID CHROMATOGRAPHY: ...in supercritical fluid chromatography (SFC), how the technique evolved from gas and liquid chromatography and how the instrumentation was ...
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Dye solubility in supercritical carbon dioxide fluid
... Supercritical carbon dioxide fluid is an alternative solvent for the water of the traditional dyeing. The solubility of dyestuff affects greatly the dyeing process. A theoretical model for predicting the dye ...
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Supercritical Fluid Extraction of Palm Carotenoids
... through) supercritical fluid extraction ...the supercritical carbon dioxide (SC-CO 2 ), sample size of feed used on the solubility of palm carotenoids ...
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